CN109669258A - Optical lenses for image formation, image-taking device and electronic device - Google Patents
Optical lenses for image formation, image-taking device and electronic device Download PDFInfo
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- CN109669258A CN109669258A CN201711105600.4A CN201711105600A CN109669258A CN 109669258 A CN109669258 A CN 109669258A CN 201711105600 A CN201711105600 A CN 201711105600A CN 109669258 A CN109669258 A CN 109669258A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/62—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six components only
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Abstract
The present invention discloses a kind of optical lenses for image formation, image-taking device and electronic device, and optical lenses for image formation includes six-element lens, the six-element lens by object side to image side sequentially are as follows: one first lens have positive refracting power；One second lens, image side surface are concave surface at dipped beam axis；One the third lens, object side are convex surface at dipped beam axis；One the 4th lens；One the 5th lens；And one the 6th lens, have negative refracting power.By adjustment lens shape and spacing, reach while having the minisize photography camera lens of high imaging quality, wide viewing angle and large aperture.
Description
Technical field
The present invention can be applied to electronic device about a kind of optical lenses for image formation and image-taking device, especially with regard to one kind
Optical lenses for image formation, image-taking device and electronic device.
Background technique
As science and technology rapidly develops, phtographic lens using more and more extensive, for having wide viewing angle and high imaging quality
The demand of phtographic lens promoted.In addition, to have taking the photograph for large aperture suitable for scenes such as Dynamic Photography and night photographys
Shadow camera lens is also an indispensable ring, and with the prosperity of portable devices, for phtographic lens in the limitation in volume also
It is more harsh.
Traditional phtographic lens is not easy due to not obtaining good collocation between lens shape and spacing at image quality
Balance is obtained between amount, visual angle, aperture size and volume.For this reason, it may be necessary to which a kind of have the micro- of high imaging quality, wide viewing angle and large aperture
Type phtographic lens.
Summary of the invention
The present invention provides a kind of optical lenses for image formation, include six-element lens, the six-element lens by object side to image side sequentially
Are as follows: one first lens have positive refracting power；One second lens, image side surface are concave surface at dipped beam axis；One the third lens, object
Side is convex surface at dipped beam axis；One the 4th lens；One the 5th lens；And one the 6th lens, have negative refracting power；
Wherein at least one side in off-axis place has at least one to face in the 6th lens object side and the 6th lens image side surface
Boundary's point, second lens are in, with a thickness of CT2, first lens are between second lens at a distance from the optical axis on optical axis
For T12, the focal length of the optical lenses for image formation is f, and the 4th lens object flank radius is R7, the 4th lens image side surface
Radius of curvature is R8, and it is to meet following relationship that the 5th lens image side curvature radius, which is R10:
0<CT2/T12<1.75；
0≦f/|R7|+f/|R8|<1.32；
0≦f/R10。
The present invention provides a kind of image-taking device, includes aforementioned optical lenses for image formation；And an electronics photosensory assembly, setting
In on an imaging surface of aforementioned optical lenses for image formation.
The present invention provides a kind of electronic device, includes aforementioned image-taking device.
It includes six-element lens that the present invention, which separately provides a kind of optical lenses for image formation, the six-element lens by object side to image side sequentially
Are as follows: one first lens have positive refracting power；One second lens, have negative refracting power；One the third lens, object side is at dipped beam axis
For convex surface；One the 4th lens；One the 5th lens, have positive refracting power；And one the 6th lens；
Wherein the 5th lens object side, the 5th lens image side surface, the 6th lens object side and the 6th lens picture
In side at least one side has an at least critical point in off-axis place, and second lens are in a thickness of CT2, this is first thoroughly on optical axis
Mirror is T12 at a distance from the optical axis between second lens, and the focal length of the optical lenses for image formation is f, the 4th lens
Object flank radius is R7, and the 4th lens image side curvature radius is R8, and the 5th lens object flank radius is R9,
The focal length of first lens is f1, and it is to meet following relationship that the focal length of the 6th lens, which is f6:
0<CT2/T12<4.25；
0≦f/|R7|+f/|R8|<1.32；
0≦f/R9；
0.30<|f1/f6|<0.90。
The present invention separately provides a kind of optical lenses for image formation, include six-element lens, the six-element lens by object side to image side according to
Sequence are as follows: one first lens have positive refracting power；One second lens, object side are convex surface at dipped beam axis；One the third lens,
Object side is convex surface at dipped beam axis；One the 4th lens；One the 5th lens；And one the 6th lens；
Wherein second lens on optical axis with a thickness of CT2, in the optical axis between first lens and second lens
On distance be T12, the focal length of the optical lenses for image formation is f, and the 4th lens object flank radius is R7, and the 4th thoroughly
Mirror image flank radius is R8, and the 5th lens image side curvature radius is R10, and the focal lengths of first lens is f1, this
The focal length of six lens is f6, is to meet following relationship:
0<CT2/T12<2.15；
0≦f/|R7|+f/|R8|≦1.00；
0≦f/R10；
0.30<|f1/f6|<0.90。
The present invention reaches while having high imaging quality, wide viewing angle and large aperture by adjustment lens shape and spacing
Minisize photography camera lens.It is wherein to have positive refracting power by the first lens design, camera lens overall length can be reduced, to reach the need of micromation
It asks；It can be to have negative refracting power by the second lens design, aberration caused by the first lens can be balanced, it can be by the second lens object side
It is designed as convex surface at dipped beam axis, light can be reduced in the incident angle of the second lens to reduce face reflection, and then reduce spuious
Second lens image side surface can be designed as concave surface at dipped beam axis by the generation of light, facilitate the amendment for reinforcing astigmatism；Third is saturating
Mirror object side is designed as convex surface at dipped beam axis, can be reduced the generation of spherical aberration；It can be to have positive refracting power by the 5th lens design, it can
The refracting power distribution of balance camera lens is to reduce aberration and desensitising；It can be to have negative refracting power by the 6th lens design, can repair
The Petzval sum number (Petzval sum) of positive camera lens is so that imaging surface is more flat.
When in the 5th lens object side, the 5th lens image side surface, the 6th lens object side and the 6th lens image side surface at least
At least one side is when off-axis place has an at least critical point on one side or in the 6th lens object side and the 6th lens image side surface, energy
Modified off-axis aberration, and facilitate adjust marginal ray incidence and shooting angle, with reduce face reflection, and reduce light at
The incident angle of image planes, to increase the response efficiency of electronics photosensory assembly.
When CT2/T12 meets the condition, it can make to have enough spaces between the first lens and the second lens and allow
Two lens have thickness appropriate to correct the first lens as aberration caused by reduction overall length, keep imaging sharper keen.
As f/ | R7 |+f/ | R8 | when meeting the condition, it can adjust the face shape of the 4th lens, with modified off-axis aberration, and
It allows light that can have incident and shooting angle appropriate in the 4th lens, facilitate the area for increasing imaging surface and reduces camera lens front end
The outer diameter of lens.
When 0≤f/R10 meets the condition, help to enable the face shape of the 5th lens and the 6th lens to be collocated with each other with
Modified off-axis aberration.
When 0≤f/R9 meets the condition, the face shape of the 5th lens can be avoided excessively while modified off-axis aberration
Bending to reduce forming and difficulty when assembled, and then promotes yield.
When 0.30 < | f1/f6 | < 0.90 when meeting the condition, can adjust the refracting power distribution of camera lens, can suitably reduce
Overall length is to reach the purpose of micromation.
Detailed description of the invention
Figure 1A is the image-taking device schematic diagram of first embodiment of the invention.
Figure 1B is the aberration curve figure of first embodiment of the invention.
Fig. 2A is the image-taking device schematic diagram of second embodiment of the invention.
Fig. 2 B is the aberration curve figure of second embodiment of the invention.
Fig. 3 A is the image-taking device schematic diagram of third embodiment of the invention.
Fig. 3 B is the aberration curve figure of third embodiment of the invention.
Fig. 4 A is the image-taking device schematic diagram of fourth embodiment of the invention.
Fig. 4 B is the aberration curve figure of fourth embodiment of the invention.
Fig. 5 A is the image-taking device schematic diagram of fifth embodiment of the invention.
Fig. 5 B is the aberration curve figure of fifth embodiment of the invention.
Fig. 6 A is the image-taking device schematic diagram of sixth embodiment of the invention.
Fig. 6 B is the aberration curve figure of sixth embodiment of the invention.
Fig. 7 A is the image-taking device schematic diagram of seventh embodiment of the invention.
Fig. 7 B is the aberration curve figure of seventh embodiment of the invention.
Fig. 8 A is the image-taking device schematic diagram of eighth embodiment of the invention.
Fig. 8 B is the aberration curve figure of eighth embodiment of the invention.
Fig. 9 A is the image-taking device schematic diagram of ninth embodiment of the invention.
Fig. 9 B is the aberration curve figure of ninth embodiment of the invention.
Figure 10 A is the image-taking device schematic diagram of tenth embodiment of the invention.
Figure 10 B is the aberration curve figure of tenth embodiment of the invention.
Figure 11 is that critical point CP51, CP52, CP61a, CP61b, CP62 using first embodiment of the invention as example show
It is intended to.
Figure 12 is a kind of image-taking device stereoscopic schematic diagram of eleventh embodiment of the invention.
Figure 13 A is a kind of electronic device stereoscopic schematic diagram of twelveth embodiment of the invention.
Figure 13 B is a kind of electronic device schematic diagram of twelveth embodiment of the invention.
Aperture 100,200,300,400,500,600,700,800,900,1000
Diaphragm 101,201,301,401,501,601,701,801,901,1001
First lens 110,210,310,410,510,610,710,810,910,1010
Object side 111,211,311,411,511,611,711,811,911,1011
Image side surface 112,212,312,412,512,612,712,812,912,1012
Second lens 120,220,320,420,520,620,720,820,920,1020
Object side 121,221,321,421,521,621,721,821,921,1021
Image side surface 122,222,322,422,522,622,722,822,922,1022
The third lens 130,230,330,430,530,630,730,830,930,1030
Object side 131,231,331,431,531,631,731,831,931,1031
Image side surface 132,232,332,432,532,632,732,832,932,1032
4th lens 140,240,340,440,540,640,740,840,940,1040
Object side 141,241,341,441,541,641,741,841,941,1041
Image side surface 142,242,342,442,542,642,742,842,942,1042
5th lens 150,250,350,450,550,650,750,850,950,1050
Object side 151,251,351,451,551,651,751,851,951,1051
Image side surface 152,252,352,452,552,652,752,852,952,1052
6th lens 160,260,360,460,560,660,760,860,960,1060
Object side 161,261,361,461,561,661,761,861,961,1061
Image side surface 162,262,362,462,562,662,762,862,962,1062
Filtering assembly 170,270,370,470,570,670,770,870,970,1070
Imaging surface 180,280,380,480,580,680,780,880,980,1080
Electronics photosensory assembly 190,290,390,490,590,690,790,890,990,1090,13
Critical point CP51, CP52, CP61a, CP61b, CP62
Image-taking device 10
Imaging lens 11
Driving device 12
Image stabilization module 14
Object 30
Electronic device 20
Flash modules 21
Focusing supplementary module 22
Image processor 23
User interface 24
Image software processor 25
Specific embodiment
It includes six-element lens that the present invention, which provides a kind of optical lenses for image formation, six-element lens by object side to image side sequentially are as follows:
First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.
First lens have positive refracting power, can reduce camera lens overall length, to reach demand miniaturization.
Second lens can have negative refracting power, can balance aberration caused by the first lens, and object side can at dipped beam axis
For convex surface, light can be reduced in the incident angle of the second lens to reduce face reflection, and then reduce the generation of stray light, image side
Face can be concave surface at dipped beam axis, facilitate the amendment for reinforcing astigmatism.
The third lens object side is convex surface at dipped beam axis, can be reduced the generation of spherical aberration, is just bent in addition, the third lens can have
Power is rolled over, the positive refracting power of camera lens can be dispersed, camera lens is can avoid and generates excessive spherical aberration and desensitising when reducing overall length,
Image side surface can be concave surface at dipped beam axis, and principal point can be allowed mobile toward object side, help to reduce overall length.
5th lens can have positive refracting power, can balance the refracting power distribution of camera lens to reduce aberration and desensitising.
6th lens can have negative refracting power, can correct the Petzval sum number (Petzval sum) of camera lens so that imaging surface is more
Flat, object side can be convex surface at dipped beam axis, facilitate the image curvature of modified off-axis, to promote surrounding image quality,
Image side surface can be concave surface at dipped beam axis, help to reduce back focal length degree and then shorten overall length.
At least one in 5th lens object side, the 5th lens image side surface, the 6th lens object side and the 6th lens image side surface
Face can have an at least critical point, energy modified off-axis aberration in off-axis place, and help to adjust the incidence and outgoing of marginal ray
Angle to reduce face reflection, and reduces light in the incident angle of imaging surface, to increase the response efficiency of electronics photosensory assembly；
Preferably, at least one side in off-axis place can have an at least critical point in the 6th lens object side and the 6th lens image side surface, it can
Further modified off-axis aberration；Preferably, the 6th lens image side surface can have an at least critical point in off-axis place.
Second lens are in, with a thickness of CT2, the first lens are at a distance from optical axis between the second lens on optical axis
T12, when optical lenses for image formation meets following relationship: when 0 < CT2/T12 < 4.25, can make between the first lens and the second lens
Can have enough spaces and the second lens is allowed to have thickness appropriate to correct the first lens is aberration caused by reduction overall length,
Keep imaging sharper keen；Preferably: 0 < CT2/T12 < 2.15；Preferably: 0 < CT2/T12 < 1.75.
The focal length of optical lenses for image formation is f, and the 4th lens object flank radius is R7, the 4th lens image side face curvature
Radius is R8, when optical lenses for image formation meets following relationship: 0≤f/ | R7 |+f/ | and R8 | when < 1.32, it can adjust the 4th thoroughly
The face shape of mirror with modified off-axis aberration, and allows light that can have incident and shooting angle appropriate in the 4th lens, helps to increase
The area of imaging surface and the outer diameter for reducing camera lens front lens；Preferably, 0≤f/ | R7 |+f/ | R8 |≤1.00；Preferably, 0≤
f/|R7|+f/|R8|<0.90；Preferably, 0≤f/ | R7 |+f/ | R8 | < 0.50.
The focal length of optical lenses for image formation is f, and the 5th lens object flank radius is R9, when optical lenses for image formation is full
Sufficient following relationship: when 0≤f/R9, can avoid the face shape of the 5th lens from being excessively bent while modified off-axis aberration, with drop
Low forming and difficulty when assembled, and then promote yield.
The focal length of optical lenses for image formation is f, and the 5th lens image side curvature radius is R10, works as optical lenses for image formation
Meet following relationship: when 0≤f/R10, help to enable the face shape of the 5th lens to be collocated with each other with the 6th lens with correct from
Axial aberration.
The focal length of first lens is f1, and the focal length of the 6th lens is f6, when optical lenses for image formation meets following relationship:
| f1/f6 | when < 1.10, it can adjust the refracting power distribution of camera lens, overall length can be reduced suitably to reach the purpose of micromation；Preferably
Ground: | f1/f6 | < 0.90；Preferably: 0.30 < | f1/f6 | < 0.90.
Largest refractive index in the refractive index of six-element lens is Nmax, when optical lenses for image formation meets following relationship:
When 1.650≤Nmax < 1.750, adjustable flexion rate distribution makes light be easier to be bent, and helps to correct aberration and compression body
Product.
The Abbe number of the third lens is V3, and the Abbe number of the 4th lens is V4, when optical lenses for image formation meets following pass
Be formula: when 58.0 < V3+V4 < 103.0, the material that can adjust the third lens and the 4th lens is configured, and helps to reduce color difference iseikonia
Difference.
The Abbe number of the third lens is V3, and the Abbe number of the 4th lens is V4, when optical lenses for image formation meets following pass
It is formula: | V3-V4 | when < 24.0, the third lens can be allowed to be collocated with each other with the 4th lens, help to reduce off-axis aberration.
First lens are T12 at a distance from optical axis between the second lens, in light between the second lens and the third lens
Distance on axis is T23, and the third lens are T34, the 4th lens and the 5th lens at a distance from optical axis between the 4th lens
Between in the distance on optical axis be T45, the 5th lens between the 6th lens at a distance from optical axis be T56, when imaging is used up
It learns camera lens and meets following relationship: T12/T56 < 1.0；T23/T56<1.0；T34/T56<1.0；And when T45/T56 < 1.0, it can fit
When adjustment lens spacing distribution, facilitates modified off-axis aberration and shorten overall length.
First lens are T12 at a distance from optical axis between the second lens, in light between the third lens and the 4th lens
Distance on axis is T34, when optical lenses for image formation meets following relationship: when 1.21 < T34/T12 < 5.70, can be made between lens
Away from proper proportion is maintained, helps to reduce volume and increase visual angle.
Wantonly two adjacent lens are ATmax in the maximum value of the distance on optical axis in six-element lens, appoint two-phase in six-element lens
Adjacent lens are ATmin in the minimum value of the distance on optical axis, when optical lenses for image formation meets following relationship: 1.0 < ATmax/
When ATmin < 5.0, the spacing for having a certain size between lens can be maintained, modified off-axis aberration is helped.
The focal length of optical lenses for image formation is f, and the third lens object flank radius is R5, the third lens image side face curvature
Radius is R6, when optical lenses for image formation meets following relationship: 1.05 < f/ | R5 |+f/ | and R6 | when < 6.00, it can adjust third
The face shape of lens facilitates modified off-axis aberration and reduces volume.
The focal length of optical lenses for image formation is f, and the synthesis focal length of the third lens and the 4th lens is f34, when imaging is used up
It learns camera lens and meets following relationship: when 0 < f34/f < 10.0, the third lens can be allowed to cooperate with the 4th lens to remain appropriate
The refracting power of intensity helps to reduce overall length, and can adjust optical path with increasing light in the illumination of imaging surface.
The focal length of optical lenses for image formation is f, and the synthesis focal length of the 4th lens and the 5th lens is f45, when imaging is used up
It learns camera lens and meets following relationship: when 0 < f45/f < 6.60, the 4th lens and the 5th lens can be allowed to cooperate with modified off-axis
Aberration.
First lens object side is TL, the entrance pupil aperture of optical lenses for image formation at a distance from optical axis between imaging surface
For EPD, when optical lenses for image formation meets following relationship: when 0.8 < TL/EPD < 2.4, overall length can be shortened and increase aperture, and
Maintain proper proportion to reduce difficulty when manufacture.
First lens object side is TL, the maximum image height of optical lenses for image formation at a distance from optical axis between imaging surface
For ImgH, when optical lenses for image formation meets following relationship: when 0.8 < TL/ImgH < 1.5, helping to shorten overall length and increase
Imaging surface area, and can appropriate adjustment light in the incidence angle of imaging surface, to maintain the response efficiency of electronics photosensory assembly.
When the object side of at least five lens and image side curvature radius value are all positive value in six-element lens, camera lens can be allowed
Design suitable for large aperture and short overall length.
The focal length of optical lenses for image formation is f, and the focal length of the 5th lens is f5, when optical lenses for image formation meets following pass
It is formula: when 1.6 < f5/f < 10, the 5th lens can be made to have appropriately sized positive refracting power, helps to reduce overall length.
When there is the Abbe number of continuous three pieces lens less than 48 in six-element lens, camera lens can be corrected to the function point of color difference
It dissipates, to reduce the susceptibility of lens, promotes manufacture and assembling yield.
Each technical characteristic in aforementioned present invention optical lenses for image formation can all combine configuration, and reach corresponding effect.
The invention discloses optical lenses for image formation in, critical point be lens surface on, in addition to the intersection point with optical axis, with one
Perpendicular to the tangent point of contact of the plane of optical axis.
The invention discloses optical lenses for image formation in, the materials of lens can be glass or plastics, if the material of lens is
Glass can then increase the freedom degree of optical lenses for image formation refracting power configuration, if lens material is plastics, can effectively drop
Low production cost.In addition, can be aspherical to be easy to be fabricated to the shape other than spherical surface in being arranged on mirror surface aspherical (ASP),
More control variable is obtained, to cut down aberration, and then reduces the number that lens use, therefore the present invention can be effectively reduced
The overall length of optical lenses for image formation.
The invention discloses optical lenses for image formation in, if lens surface be it is aspherical, then it represents that the lens surface optics
Effective district is entire or in which a part is aspherical.
The invention discloses optical lenses for image formation in, a settable at least diaphragm (Stop), such as aperture diaphragm
(Aperture Stop), credit light diaphragm (Glare Stop) or field stop (Field Stop) etc., help to reduce stray light
To promote the quality of image.
The invention discloses optical lenses for image formation in, aperture configuration can for it is preposition or in set, preposition aperture implies that aperture
Be set between object and the first lens, in set aperture then and indicate that aperture is set between the first lens and imaging surface, preposition aperture
The outgoing pupil (Exit Pupil) and imaging surface that can make optical lenses for image formation generate longer distance, with telecentricity
(Telecentric) effect can increase the efficiency that electronics photosensory assembly such as CCD or CMOS receive image；In set aperture and then help
In the field angle for expanding system, make optical lenses for image formation that there is the advantage of wide-angle lens.
The invention discloses optical lenses for image formation in, if lens surface system is convex surface and when not defining convex surface position,
Indicate that lens surface can be convex surface at dipped beam axis；If lens surface system is concave surface and does not define concave surface position, then it represents that thoroughly
Mirror surface can be concave surface at dipped beam axis.If the refracting power or focal length of lens do not define its regional location, then it represents that lens
Refracting power or focal length can be refracting power or focal length of the lens at dipped beam axis.
The invention discloses optical lenses for image formation in, the imaging surface of optical lenses for image formation, according to its corresponding sense electronics
The difference of optical assembly can be plane or the curved surface for having any curvature, particularly relate to concave surface towards the curved surface toward object side direction.In addition,
It is alternative between the lens of imaging surface and imaging surface in optical lenses for image formation of the invention to configure more than a piece of
Imaging amendment component (flat field component etc.), to achieve the effect that correct image (image curvature etc.).The optics of imaging amendment component
Property, such as curvature, thickness, refractive index, position, face shape (convex surface or concave surface, spherical surface or aspherical, diffraction surface and Fresnel
Surface etc.) image-taking device demand can be cooperated and adjusted.In general, preferably imaging amendment component Configuration is with towards object
The slim plano-concave component of the concave surface of side is disposed in proximity at imaging surface.
The invention discloses optical lenses for image formation and image-taking device will by following specific embodiments cooperate institute's accompanying drawings
It is described in detail.
" first embodiment "
First embodiment of the invention please refers to Figure 1A, and the aberration curve of first embodiment please refers to Figure 1B.First embodiment
Image-taking device include optical lenses for image formation (not another label) and electronics photosensory assembly 190, optical lenses for image formation includes six
Piece lens are sequentially the first lens 110, the second lens 120, the third lens 130, the 4th lens the 140, the 5th by object side to image side
Lens 150 and the 6th lens 160, wherein the lens without other interpolations between the first lens 110 and the 6th lens 160.
First lens 110 have positive refracting power, and material is plastics, and object side 111 is convex surface, image side at dipped beam axis
Face 112 is concave surface at dipped beam axis, and object side 111 and image side surface 112 are all aspherical；
Second lens 120 have negative refracting power, and material is plastics, and object side 121 is convex surface, image side at dipped beam axis
Face 122 is concave surface at dipped beam axis, and object side 121 and image side surface 122 are all aspherical；
The third lens 130 have positive refracting power, and material is plastics, and object side 131 is convex surface, image side at dipped beam axis
Face 132 is concave surface at dipped beam axis, and object side 131 and image side surface 132 are all aspherical；
4th lens, 140 material is plastics, and object side 141 is plane at dipped beam axis, and image side surface 142 is in dipped beam axis
Place is plane, and object side 141 and image side surface 142 are all aspherical；
5th lens 150 have positive refracting power, and material is plastics, and object side 151 is convex surface, image side at dipped beam axis
Face 152 is concave surface at dipped beam axis, and object side 151 and image side surface 152 are all aspherical and all have at least one in off-axis place
Critical point；
6th lens 160 have negative refracting power, and material is plastics, and object side 161 is convex surface, image side at dipped beam axis
Face 162 is concave surface at dipped beam axis, and object side 161 and image side surface 162 are all aspherical and all have at least one in off-axis place
Critical point.
In optical lenses for image formation, the first lens 110, the second lens 120, the third lens 130, the 5th lens 150 and
The object side of 6th lens 160 and image side curvature radius value are all positive value, and the second lens 120, the third lens 130 and the 4th
The Abbe number of the continuous three pieces lens of lens 140 is less than 48.
Optical lenses for image formation additionally comprises the object side that aperture 100 is set to the first lens 110；Diaphragm 101 is set to
Between second lens 120 and the third lens 130；And filtering assembly 170 is set between the 6th lens 160 and imaging surface 180,
Material is glass and does not influence focal length.Electronics photosensory assembly 190 is set on imaging surface 180.
Figure 11 is please referred to, is the critical point schematic diagram being painted using first embodiment of the invention as example.5th lens object
Side 151 has an at least critical point CP51 in off-axis place, and the 5th lens image side surface 152 has an at least critical point in off-axis place
CP52, the 6th lens object side 161 have at least critical point CP61a, CP61b in off-axis place, the 6th lens image side surface 162 in
Off-axis place has an at least critical point CP62.
The detailed optical data of first embodiment is as shown in Table 1, and the unit of radius of curvature, thickness and focal length is millimeter, f
Indicate that focal length, Fno indicate f-number, HFOV indicates the half at maximum visual angle, and surface 0-17 is sequentially indicated by object side to image side
Surface.Its aspherical surface data is as shown in Table 2, and k indicates that the conical surface coefficient in aspheric curve equation, A4-A20 then indicate
Each surface 4-20 rank asphericity coefficient.In addition, following embodiment table is the schematic diagram and aberration song of corresponding each embodiment
Line chart, data define all identical as the definition of the table of first embodiment one and table two in table, are not added repeat herein.
The equation of above-mentioned aspheric curve is expressed as follows:
Wherein:
X: the point for being Y apart from optical axis on aspherical, with the relative distance for being tangential on the section on vertex on aspherical optical axis；
Y: the vertical range of point and optical axis in aspheric curve；
R: radius of curvature；
K: conical surface coefficient；
Ai: the i-th rank asphericity coefficient.
In first embodiment, the focal length of optical lenses for image formation is f, and the f-number of optical lenses for image formation is Fno, imaging
Half with visual angle maximum in optical lens is HFOV, numerical value are as follows: f=5.25 (millimeter), Fno=1.90, HFOV=41.1
(degree).
In first embodiment, the largest refractive index in the refractive index of six-element lens is Nmax, relational expression are as follows: Nmax=
1.660, it is the refractive index of the second lens 120.
In first embodiment, the Abbe number of the third lens 130 is V3, and the Abbe number of the 4th lens 140 is V4, relational expression
Are as follows: V3+V4=80.9.
In first embodiment, the Abbe number of the third lens 130 is V3, and the Abbe number of the 4th lens 140 is V4, relational expression
Are as follows: | V3-V4 |=0.
In first embodiment, in six-element lens wantonly two adjacent lens in the distance on optical axis maximum value be ATmax, six
In lens wantonly two adjacent lens in the distance on optical axis minimum value be ATmin, relational expression are as follows: ATmax/ATmin=3.09.
In the present embodiment, ATmax=0.756 (millimeter), be the 5th lens 150 between the 6th lens 160 at a distance from optical axis,
ATmin=0.245 (millimeter), be the 4th lens 140 between the 5th lens 150 at a distance from optical axis.
In first embodiment, the second lens 120 on optical axis with a thickness of CT2, the first lens 110 and the second lens 120
Between in the distance on optical axis be T12, relational expression are as follows: CT2/T12=0.43.
In first embodiment, the first lens 110 are T12, the 5th lens at a distance from optical axis between the second lens 120
150 be T56, relational expression are as follows: T12/T56=0.37 at a distance from optical axis between the 6th lens 160.
In first embodiment, the second lens 120 are T23, the 5th lens at a distance from optical axis between the third lens 130
150 be T56, relational expression are as follows: T23/T56=0.42 at a distance from optical axis between the 6th lens 160.
In first embodiment, the first lens 110 are T12, the third lens at a distance from optical axis between the second lens 120
130 be T34, relational expression are as follows: T34/T12=1.75 at a distance from optical axis between the 4th lens 140.
In first embodiment, the third lens 130 are T34, the 5th lens at a distance from optical axis between the 4th lens 140
150 be T56, relational expression are as follows: T34/T56=0.64 at a distance from optical axis between the 6th lens 160.
In first embodiment, the 4th lens 140 are T45, the 5th lens at a distance from optical axis between the 5th lens 150
150 be T56, relational expression are as follows: T45/T56=0.32 at a distance from optical axis between the 6th lens 160.
In first embodiment, the focal length of optical lenses for image formation is f, and 131 radius of curvature of the third lens object side is R5, the
Three lens image side surfaces, 132 radius of curvature be R6, relational expression are as follows: f/ | R5 |+f/ | R6 |=1.26.
In first embodiment, the focal length of optical lenses for image formation is f, and 141 radius of curvature of the 4th lens object side is R7, the
Four lens image side surfaces, 142 radius of curvature be R8, relational expression are as follows: f/ | R7 |+f/ | R8 |=0.00.
In first embodiment, the focal length of optical lenses for image formation is f, and 151 radius of curvature of the 5th lens object side is R9,
Relational expression are as follows: f/R9=2.10.
In first embodiment, the focal length of optical lenses for image formation is f, and 152 radius of curvature of the 5th lens image side surface is R10,
Its relational expression are as follows: f/R10=1.49.
In first embodiment, the focal length of the first lens 110 is f1, and the focal length of the 6th lens 160 is f6, relational expression are as follows: |
F1/f6 |=0.68.
In first embodiment, the focal length of optical lenses for image formation is f, and the synthesis of the third lens 130 and the 4th lens 140 is burnt
Away from for f34, relational expression are as follows: f34/f=2.97.
In first embodiment, the focal length of optical lenses for image formation is f, and the synthesis of the 4th lens 140 and the 5th lens 150 is burnt
Away from for f45, relational expression are as follows: f45/f=2.52.
In first embodiment, the focal length of optical lenses for image formation is f, and the focal length of the 5th lens 150 is f5, relational expression
Are as follows: f5/f=2.52.
In first embodiment, the first lens object side 111 is TL, imaging at a distance from optical axis between imaging surface 180
It is EPD, relational expression with the entrance pupil aperture of optical lens are as follows: TL/EPD=2.31.
In first embodiment, the first lens object side 111 is TL, imaging at a distance from optical axis between imaging surface 180
It is ImgH, relational expression with the maximum image height of optical lens are as follows: TL/ImgH=1.39.
" second embodiment "
Second embodiment of the invention please refers to Fig. 2A, and the aberration curve of second embodiment please refers to Fig. 2 B.Second embodiment
Image-taking device include optical lenses for image formation (not another label) and electronics photosensory assembly 290, optical lenses for image formation includes six
Piece lens are sequentially the first lens 210, the second lens 220, the third lens 230, the 4th lens the 240, the 5th by object side to image side
Lens 250 and the 6th lens 260, wherein the lens without other interpolations between the first lens 210 and the 6th lens 260.
First lens 210 have positive refracting power, and material is plastics, and object side 211 is convex surface, image side at dipped beam axis
Face 212 is concave surface at dipped beam axis, and object side 211 and image side surface 212 are all aspherical；
Second lens 220 have negative refracting power, and material is plastics, and object side 221 is convex surface, image side at dipped beam axis
Face 222 is concave surface at dipped beam axis, and object side 221 and image side surface 222 are all aspherical；
The third lens 230 have positive refracting power, and material is plastics, and object side 231 is convex surface, image side at dipped beam axis
Face 232 is convex surface at dipped beam axis, and object side 231 and image side surface 232 are all aspherical；
4th lens 240 have negative refracting power, and material is plastics, and object side 241 is concave surface, image side at dipped beam axis
Face 242 is convex surface at dipped beam axis, and object side 241 and image side surface 242 are all aspherical；
5th lens 250 have positive refracting power, and material is plastics, and object side 251 is convex surface, image side at dipped beam axis
Face 252 is concave surface at dipped beam axis, and object side 251 and image side surface 252 are all aspherical and all have at least one in off-axis place
Critical point；
6th lens 260 have negative refracting power, and material is plastics, and object side 261 is convex surface, image side at dipped beam axis
Face 262 is concave surface at dipped beam axis, and object side 261 and image side surface 262 are all aspherical and all have at least one in off-axis place
Critical point.
In optical lenses for image formation, the second lens 220, the third lens 230 and the continuous three pieces lens of the 4th lens 240
Abbe number is less than 48.
Optical lenses for image formation additionally comprises the object side that aperture 200 is set to the first lens 210；Diaphragm 201 is set to
Between second lens 220 and the third lens 230；And filtering assembly 270 is set between the 6th lens 260 and imaging surface 280,
Material is glass and does not influence focal length.Electronics photosensory assembly 290 is set on imaging surface 280.
The detailed optical data of second embodiment is as shown in Table 3, and aspherical surface data is as shown in Table 4.
Form of the expression of second embodiment aspheric curve equation such as first embodiment.In addition, each relational expression
System of parameters illustrated such as first embodiment, it is only listed in the numerical value system of each relational expression such as following table.
" 3rd embodiment "
Third embodiment of the invention please refers to Fig. 3 A, and the aberration curve of 3rd embodiment please refers to Fig. 3 B.3rd embodiment
Image-taking device include optical lenses for image formation (not another label) and electronics photosensory assembly 390, optical lenses for image formation includes six
Piece lens are sequentially the first lens 310, the second lens 320, the third lens 330, the 4th lens the 340, the 5th by object side to image side
Lens 350 and the 6th lens 360, wherein the lens without other interpolations between the first lens 310 and the 6th lens 360.
First lens 310 have positive refracting power, and material is plastics, and object side 311 is convex surface, image side at dipped beam axis
Face 312 is concave surface at dipped beam axis, and object side 311 and image side surface 312 are all aspherical；
Second lens 320 have negative refracting power, and material is plastics, and object side 321 is convex surface, image side at dipped beam axis
Face 322 is concave surface at dipped beam axis, and object side 321 and image side surface 322 are all aspherical；
The third lens 330 have positive refracting power, and material is plastics, and object side 331 is convex surface, image side at dipped beam axis
Face 332 is concave surface at dipped beam axis, and object side 331 and image side surface 332 are all aspherical；
4th lens 340 have positive refracting power, and material is plastics, and object side 341 is convex surface, image side at dipped beam axis
Face 342 is convex surface at dipped beam axis, and object side 341 and image side surface 342 are all aspherical；
5th lens 350 have positive refracting power, and material is plastics, and object side 351 is convex surface, image side at dipped beam axis
Face 352 is concave surface at dipped beam axis, and object side 351 and image side surface 352 are all aspherical and all have at least one in off-axis place
Critical point；
6th lens 360 have negative refracting power, and material is plastics, and object side 361 is convex surface, image side at dipped beam axis
Face 362 is concave surface at dipped beam axis, and object side 361 and image side surface 362 are all aspherical and all have at least one in off-axis place
Critical point.
In optical lenses for image formation, the first lens 310, the second lens 320, the third lens 330, the 5th lens 350 and
The object side of 6th lens 360 and image side curvature radius value are all positive value.
Optical lenses for image formation additionally comprises the object side that aperture 300 is set to the first lens 310；Diaphragm 301 is set to
Between second lens 320 and the third lens 330；And filtering assembly 370 is set between the 6th lens 360 and imaging surface 380,
Material is glass and does not influence focal length.Electronics photosensory assembly 390 is set on imaging surface 380.
The detailed optical data of 3rd embodiment is as shown in Table 5, and aspherical surface data is as shown in Table 6.
Form of the expression of 3rd embodiment aspheric curve equation such as first embodiment.In addition, each relational expression
System of parameters illustrated such as first embodiment, it is only listed in the numerical value system of each relational expression such as following table.
" fourth embodiment "
Fourth embodiment of the invention please refers to Fig. 4 A, and the aberration curve of fourth embodiment please refers to Fig. 4 B.Fourth embodiment
Image-taking device include optical lenses for image formation (not another label) and electronics photosensory assembly 490, optical lenses for image formation includes six
Piece lens are sequentially the first lens 410, the second lens 420, the third lens 430, the 4th lens the 440, the 5th by object side to image side
Lens 450 and the 6th lens 460, wherein the lens without other interpolations between the first lens 410 and the 6th lens 460.
First lens 410 have positive refracting power, and material is plastics, and object side 411 is convex surface, image side at dipped beam axis
Face 412 is concave surface at dipped beam axis, and object side 411 and image side surface 412 are all aspherical；
Second lens 420 have negative refracting power, and material is plastics, and object side 421 is convex surface, image side at dipped beam axis
Face 422 is concave surface at dipped beam axis, and object side 421 and image side surface 422 are all aspherical；
The third lens 430 have positive refracting power, and material is plastics, and object side 431 is convex surface, image side at dipped beam axis
Face 432 is concave surface at dipped beam axis, and object side 431 and image side surface 432 are all aspherical；
4th lens 440 have negative refracting power, and material is plastics, and object side 441 is convex surface, image side at dipped beam axis
Face 442 is concave surface at dipped beam axis, and object side 441 and image side surface 442 are all aspherical；
5th lens 450 have positive refracting power, and material is plastics, and object side 451 is convex surface, image side at dipped beam axis
Face 452 is concave surface at dipped beam axis, and object side 451 and image side surface 452 are all aspherical and all have at least one in off-axis place
Critical point；
6th lens 460 have negative refracting power, and material is plastics, and object side 461 is convex surface, image side at dipped beam axis
Face 462 is concave surface at dipped beam axis, and object side 461 and image side surface 462 are all aspherical and all have at least one in off-axis place
Critical point.
In optical lenses for image formation, the first lens 410, the second lens 420, the third lens 430, the 4th lens 440,
The object side and image side curvature radius value of five lens 450 and the 6th lens 460 are all positive value, and the second lens 420, third are saturating
The Abbe number of mirror 430 and the continuous three pieces lens of the 4th lens 440 is less than 48.
Optical lenses for image formation additionally comprises the object side that aperture 400 is set to the first lens 410；Diaphragm 401 is set to
Between second lens 420 and the third lens 430；And filtering assembly 470 is set between the 6th lens 460 and imaging surface 480,
Material is glass and does not influence focal length.Electronics photosensory assembly 490 is set on imaging surface 480.
The detailed optical data of fourth embodiment is as shown in Table 7, and aspherical surface data is as shown in Table 8.
Form of the expression of fourth embodiment aspheric curve equation such as first embodiment.In addition, each relational expression
System of parameters illustrated such as first embodiment, it is only listed in the numerical value system of each relational expression such as following table.
" the 5th embodiment "
Fifth embodiment of the invention please refers to Fig. 5 A, and the aberration curve of the 5th embodiment please refers to Fig. 5 B.5th embodiment
Image-taking device include optical lenses for image formation (not another label) and electronics photosensory assembly 590, optical lenses for image formation includes six
Piece lens are sequentially the first lens 510, the second lens 520, the third lens 530, the 4th lens the 540, the 5th by object side to image side
Lens 550 and the 6th lens 560, wherein the lens without other interpolations between the first lens 510 and the 6th lens 560.
First lens 510 have positive refracting power, and material is plastics, and object side 511 is convex surface, image side at dipped beam axis
Face 512 is concave surface at dipped beam axis, and object side 511 and image side surface 512 are all aspherical；
Second lens 520 have negative refracting power, and material is plastics, and object side 521 is convex surface, image side at dipped beam axis
Face 522 is concave surface at dipped beam axis, and object side 521 and image side surface 522 are all aspherical；
The third lens 530 have positive refracting power, and material is plastics, and object side 531 is convex surface, image side at dipped beam axis
Face 532 is concave surface at dipped beam axis, and object side 531 and image side surface 532 are all aspherical；
4th lens 540 have negative refracting power, and material is plastics, and object side 541 is convex surface, image side at dipped beam axis
Face 542 is concave surface at dipped beam axis, and object side 541 and image side surface 542 are all aspherical；
5th lens 550 have positive refracting power, and material is plastics, and object side 551 is convex surface, image side at dipped beam axis
Face 552 is concave surface at dipped beam axis, and object side 551 and image side surface 552 are all aspherical and all have at least one in off-axis place
Critical point；
6th lens 560 have negative refracting power, and material is plastics, and object side 561 is convex surface, image side at dipped beam axis
Face 562 is concave surface at dipped beam axis, and object side 561 and image side surface 562 are all aspherical and all have at least one in off-axis place
Critical point.
In optical lenses for image formation, the first lens 510, the second lens 520, the third lens 530, the 4th lens 540,
The object side and image side curvature radius value of five lens 550 and the 6th lens 560 are all positive value, and the second lens 520, third are saturating
The Abbe number of mirror 530 and the continuous three pieces lens of the 4th lens 540 is less than 48.
Optical lenses for image formation additionally comprises the object side that aperture 500 is set to the first lens 510；Diaphragm 501 is set to
Between second lens 520 and the third lens 530；And filtering assembly 570 is set between the 6th lens 560 and imaging surface 580,
Material is glass and does not influence focal length.Electronics photosensory assembly 590 is set on imaging surface 580.
The 5th detailed optical data of embodiment is as shown in Table 9, and aspherical surface data is as shown in Table 10.
Form of the expression of 5th embodiment aspheric curve equation such as first embodiment.In addition, each relational expression
System of parameters illustrated such as first embodiment, it is only listed in the numerical value system of each relational expression such as following table.
" sixth embodiment "
Sixth embodiment of the invention please refers to Fig. 6 A, and the aberration curve of sixth embodiment please refers to Fig. 6 B.Sixth embodiment
Image-taking device include optical lenses for image formation (not another label) and electronics photosensory assembly 690, optical lenses for image formation includes six
Piece lens are sequentially the first lens 610, the second lens 620, the third lens 630, the 4th lens the 640, the 5th by object side to image side
Lens 650 and the 6th lens 660, wherein the lens without other interpolations between the first lens 610 and the 6th lens 660.
First lens 610 have positive refracting power, and material is glass, and object side 611 is convex surface, image side at dipped beam axis
Face 612 is concave surface at dipped beam axis, and object side 611 and image side surface 612 are all aspherical；
Second lens 620 have negative refracting power, and material is plastics, and object side 621 is concave surface, image side at dipped beam axis
Face 622 is concave surface at dipped beam axis, and object side 621 and image side surface 622 are all aspherical；
The third lens 630 have positive refracting power, and material is plastics, and object side 631 is convex surface, image side at dipped beam axis
Face 632 is concave surface at dipped beam axis, and object side 631 and image side surface 632 are all aspherical；
4th lens 640 have positive refracting power, and material is plastics, and object side 641 is convex surface, image side at dipped beam axis
Face 642 is concave surface at dipped beam axis, and object side 641 and image side surface 642 are all aspherical；
5th lens 650 have positive refracting power, and material is plastics, and object side 651 is convex surface, image side at dipped beam axis
Face 652 is concave surface at dipped beam axis, and object side 651 and image side surface 652 are all aspherical and all have at least one in off-axis place
Critical point；
6th lens 660 have negative refracting power, and material is plastics, and object side 661 is convex surface, image side at dipped beam axis
Face 662 is concave surface at dipped beam axis, and object side 661 and image side surface 662 are all aspherical and all have at least one in off-axis place
Critical point.
In optical lenses for image formation, the first lens 610, the third lens 630, the 4th lens 640, the 5th lens 650 and
The object side of 6th lens 660 and image side curvature radius value are all positive value.
Optical lenses for image formation additionally comprises the object side that aperture 600 is set to the first lens 610；Diaphragm 601 is set to
Between second lens 620 and the third lens 630；And filtering assembly 670 is placed between the 6th lens 660 and imaging surface 680, material
Matter is glass and does not influence focal length.Electronics photosensory assembly 690 is set on imaging surface 680.
The detailed optical data of sixth embodiment is as shown in table 11, and aspherical surface data is as shown in table 12.
Form of the expression of sixth embodiment aspheric curve equation such as first embodiment.In addition, each relational expression
System of parameters illustrated such as first embodiment, it is only listed in the numerical value system of each relational expression such as following table.
" the 7th embodiment "
Seventh embodiment of the invention please refers to Fig. 7 A, and the aberration curve of the 7th embodiment please refers to Fig. 7 B.7th embodiment
Image-taking device include optical lenses for image formation (not another label) and electronics photosensory assembly 790, optical lenses for image formation includes six
Piece lens are sequentially the first lens 710, the second lens 720, the third lens 730, the 4th lens the 740, the 5th by object side to image side
Lens 750 and the 6th lens 760, wherein the lens without other interpolations between the first lens 710 and the 6th lens 760.
First lens 710 have positive refracting power, and material is plastics, and object side 711 is convex surface, image side at dipped beam axis
Face 712 is convex surface at dipped beam axis, and object side 711 and image side surface 712 are all aspherical；
Second lens 720 have negative refracting power, and material is plastics, and object side 721 is convex surface, image side at dipped beam axis
Face 722 is concave surface at dipped beam axis, and object side 721 and image side surface 722 are all aspherical；
The third lens 730 have positive refracting power, and material is plastics, and object side 731 is convex surface, image side at dipped beam axis
Face 732 is convex surface at dipped beam axis, and object side 731 and image side surface 732 are all aspherical；
4th lens 740 have negative refracting power, and material is plastics, and object side 741 is concave surface, image side at dipped beam axis
Face 742 is concave surface at dipped beam axis, and object side 741 and image side surface 742 are all aspherical；
5th lens 750 have positive refracting power, and material is plastics, and object side 751 is convex surface, image side at dipped beam axis
Face 752 is concave surface at dipped beam axis, and object side 751 and image side surface 752 are all aspherical and all have at least one in off-axis place
Critical point；
6th lens 760 have negative refracting power, and material is plastics, and object side 761 is convex surface, image side at dipped beam axis
Face 762 is concave surface at dipped beam axis, and object side 761 and image side surface 762 are all aspherical and all have at least one in off-axis place
Critical point.
Optical lenses for image formation additionally comprises the object side that aperture 700 is set to the first lens 710, and diaphragm 701 is set to
Between second lens 720 and the third lens 730；And filtering assembly 770 is placed between the 6th lens 760 and imaging surface 780, material
Matter is glass and does not influence focal length.Electronics photosensory assembly 790 is set on imaging surface 780.
The 7th detailed optical data of embodiment is as shown in table 13, and aspherical surface data is as shown in table 14.
Form of the expression of 7th embodiment aspheric curve equation such as first embodiment.In addition, each relational expression
System of parameters illustrated such as first embodiment, it is only listed in the numerical value system of each relational expression such as following table.
" the 8th embodiment "
Eighth embodiment of the invention please refers to Fig. 8 A, and the aberration curve of the 8th embodiment please refers to Fig. 8 B.8th embodiment
Image-taking device include optical lenses for image formation (not another label) and electronics photosensory assembly 890, optical lenses for image formation includes six
Piece lens are sequentially the first lens 810, the second lens 820, the third lens 830, the 4th lens the 840, the 5th by object side to image side
Lens 850 and the 6th lens 860, wherein the lens without other interpolations between the first lens 810 and the 6th lens 860.
First lens 810 have positive refracting power, and material is plastics, and object side 811 is convex surface, image side at dipped beam axis
Face 812 is concave surface at dipped beam axis, and object side 811 and image side surface 812 are all aspherical；
Second lens 820 have negative refracting power, and material is plastics, and object side 821 is convex surface, image side at dipped beam axis
Face 822 is concave surface at dipped beam axis, and object side 821 and image side surface 822 are all aspherical；
The third lens 830 have positive refracting power, and material is plastics, and object side 831 is convex surface, image side at dipped beam axis
Face 832 is concave surface at dipped beam axis, and object side 831 and image side surface 832 are all aspherical；
4th lens 840 have positive refracting power, and material is plastics, and object side 841 is concave surface, image side at dipped beam axis
Face 842 is convex surface at dipped beam axis, and object side 841 and image side surface 842 are all aspherical；
5th lens 850 have positive refracting power, and material is plastics, and object side 851 is convex surface, image side at dipped beam axis
Face 852 is concave surface at dipped beam axis, and object side 851 and image side surface 852 are all aspherical and all have at least one in off-axis place
Critical point；
6th lens 860 have negative refracting power, and material is plastics, and object side 861 is convex surface, image side at dipped beam axis
Face 862 is concave surface at dipped beam axis, and object side 861 and image side surface 862 are all aspherical and all have at least one in off-axis place
Critical point.
In optical lenses for image formation, the first lens 810, the second lens 820, the third lens 830, the 5th lens 850 and
The object side of 6th lens 860 and image side curvature radius value are all positive value, and the second lens 820, the third lens 830 and the 4th
The Abbe number of the continuous three pieces lens of lens 840 is less than 48.
Optical lenses for image formation additionally comprises the object side that aperture 800 is set to the first lens 810；Diaphragm 801 is set to
Between second lens 820 and the third lens 830；And filtering assembly 870 is placed between the 6th lens 860 and imaging surface 880, material
Matter is glass and does not influence focal length.Electronics photosensory assembly 890 is set on imaging surface 880.
The 8th detailed optical data of embodiment is as shown in table 15, and aspherical surface data is as shown in table 16.
Form of the expression of 8th embodiment aspheric curve equation such as first embodiment.In addition, each relational expression
System of parameters illustrated such as first embodiment, it is only listed in the numerical value system of each relational expression such as following table.
" the 9th embodiment "
Ninth embodiment of the invention please refers to Fig. 9 A, and the aberration curve of the 9th embodiment please refers to Fig. 9 B.9th embodiment
Image-taking device include optical lenses for image formation (not another label) and electronics photosensory assembly 990, optical lenses for image formation includes six
Piece lens are sequentially the first lens 910, the second lens 920, the third lens 930, the 4th lens the 940, the 5th by object side to image side
Lens 950 and the 6th lens 960, wherein the lens without other interpolations between the first lens 910 and the 6th lens 960.
First lens 910 have positive refracting power, and material is plastics, and object side 911 is convex surface, image side at dipped beam axis
Face 912 is concave surface at dipped beam axis, and object side 911 and image side surface 912 are all aspherical；
Second lens 920 have negative refracting power, and material is plastics, and object side 921 is convex surface, image side at dipped beam axis
Face 922 is concave surface at dipped beam axis, and object side 921 and image side surface 922 are all aspherical；
The third lens 930 have negative refracting power, and material is plastics, and object side 931 is convex surface, image side at dipped beam axis
Face 932 is concave surface at dipped beam axis, and object side 931 and image side surface 932 are all aspherical；
4th lens 940 have positive refracting power, and material is plastics, and object side 941 is convex surface, image side at dipped beam axis
Face 942 is concave surface at dipped beam axis, and object side 941 and image side surface 942 are all aspherical；
5th lens 950 have positive refracting power, and material is plastics, and object side 951 is convex surface, image side at dipped beam axis
Face 952 is concave surface at dipped beam axis, and object side 951 and image side surface 952 are all aspherical and all have at least one in off-axis place
Critical point；
6th lens 960 have negative refracting power, and material is plastics, and object side 961 is convex surface, image side at dipped beam axis
Face 962 is concave surface at dipped beam axis, and object side 961 and image side surface 962 are all aspherical and all have at least one in off-axis place
Critical point.
In optical lenses for image formation, the first lens 910, the second lens 920, the third lens 930, the 4th lens 940,
The object side and image side curvature radius value of five lens 950 and the 6th lens 960 are all positive value, and the second lens 920, third are saturating
The Abbe number of mirror 930 and the continuous three pieces lens of the 4th lens 940 is less than 48.
Optical lenses for image formation additionally comprises the object side that aperture 900 is set to the first lens 910；Diaphragm 901 is set to
Between second lens 920 and the third lens 930；And filtering assembly 970 is placed between the 6th lens 960 and imaging surface 980, material
Matter is glass and does not influence focal length.Electronics photosensory assembly 990 is set on imaging surface 980.
The 9th detailed optical data of embodiment is as shown in table 17, and aspherical surface data is as shown in table 18.
Form of the expression of 9th embodiment aspheric curve equation such as first embodiment.In addition, each relational expression
System of parameters illustrated such as first embodiment, it is only listed in the numerical value system of each relational expression such as following table.
" the tenth embodiment "
Tenth embodiment of the invention please refers to Figure 10 A, and the aberration curve of the tenth embodiment please refers to Figure 10 B.Tenth implements
The image-taking device of example includes optical lenses for image formation (not another label) and electronics photosensory assembly 1090, and optical lenses for image formation includes
Six-element lens is sequentially the first lens 1010, the second lens 1020, the third lens 1030, the 4th lens by object side to image side
1040, the 5th lens 1050 and the 6th lens 1060, wherein without other interpolations between the first lens 1010 and the 6th lens 1060
Lens.
First lens 1010 have positive refracting power, and material is plastics, and object side 1011 is convex surface, picture at dipped beam axis
Side 1012 is concave surface at dipped beam axis, and object side 1011 and image side surface 1012 are all aspherical；
Second lens 1020 have negative refracting power, and material is plastics, and object side 1021 is convex surface, picture at dipped beam axis
Side 1022 is concave surface at dipped beam axis, and object side 1021 and image side surface 1022 are all aspherical；
The third lens 1030 have positive refracting power, and material is plastics, and object side 1031 is convex surface, picture at dipped beam axis
Side 1032 is concave surface at dipped beam axis, and object side 1031 and image side surface 1032 are all aspherical；
4th lens 1040 have negative refracting power, and material is plastics, and object side 1041 is convex surface, picture at dipped beam axis
Side 1042 is concave surface at dipped beam axis, and object side 1041 and image side surface 1042 are all aspherical；
5th lens 1050 have positive refracting power, and material is plastics, and object side 1051 is convex surface, picture at dipped beam axis
Side 1052 is concave surface at dipped beam axis, and object side 1051 and image side surface 1052 are all aspherical and all have extremely in off-axis place
A few critical point；
6th lens 1060 have negative refracting power, and material is plastics, and object side 1061 is convex surface, picture at dipped beam axis
Side 1062 is concave surface at dipped beam axis, and object side 1061 and image side surface 1062 are all aspherical and all have extremely in off-axis place
A few critical point.
In optical lenses for image formation, the first lens 1010, the second lens 1020, the third lens 1030, the 4th lens
1040, the object side and image side curvature radius value of the 5th lens 1050 and the 6th lens 1060 are all positive value, and the second lens
1020, the Abbe number of the third lens 1030 and the continuous three pieces lens of the 4th lens 1040 is less than 48.
Optical lenses for image formation additionally comprises the object side that aperture 1000 is set to the first lens 1010；Diaphragm 1001 is arranged
Between the second lens 1020 and the third lens 1030；And filtering assembly 1070 be placed in the 6th lens 1060 and imaging surface 1080 it
Between, material is glass and does not influence focal length.Electronics photosensory assembly 1090 is set on imaging surface 1080.
The tenth detailed optical data of embodiment is as shown in table 19, and aspherical surface data is as shown in table 20.
Form of the expression of tenth embodiment aspheric curve equation such as first embodiment.In addition, each relational expression
System of parameters illustrated such as first embodiment, it is only listed in the numerical value system of each relational expression such as following table.
" the 11st embodiment "
Figure 12 is please referred to, is the stereoscopic schematic diagram for being painted a kind of image-taking device 10 according to eleventh embodiment of the invention.
As shown in Figure 12, image-taking device 10 is a camera model in the present embodiment.Image-taking device 10 includes imaging lens 11, driving dress
Set 12 and electronics photosensory assembly 13, wherein imaging lens 11 include first embodiment of the invention optical lenses for image formation and
The lens barrel (not another label) of one carrying optical lenses for image formation.Image-taking device 10 generates image using 11 optically focused of imaging lens, and
Cooperate driving device 12 to carry out image focusing, finally images on electronics photosensory assembly 13, and image data is exported.
Driving device 12 can be auto-focusing (Auto-Focus) module, and such as voice coil motor can be used in driving method
(Voice Coil Motor, VCM), MEMS (Micro Electro-Mechanical Systems, MEMS), piezoelectricity
The drive systems such as system (Piezoelectric) and memory metal (Shape Memory Alloy).Driving device 12 can allow
Imaging lens 11 obtain preferable imaging position, it is possible to provide object 30 (please referring to Figure 13 B) is in the state of different object distances, all
It can shooting clear image.
Image-taking device 10 can carry that a sense brightness is good and the electronics photosensory assembly 13 (such as CMOS, CCD) of low noise is set to
The good image quality of optical lenses for image formation can be really presented in the imaging surface of optical lenses for image formation.
In addition, image-taking device 10 more may include image stabilization module 14, it can be accelerometer, gyroscope or Hall subassembly
Kinetic energy sensing components such as (Hall Effect Sensor), and in the 11st embodiment, image stabilization module 14 is gyroscope, but
It is not limited.By the axially different variation of adjustment optical lenses for image formation to compensate the mould that moment is generated by shaking
Image is pasted, the image quality of dynamic and low-illumination scene shooting is further promoted, and such as optical anti-shake is provided
(Optical Image Stabilization；OIS), the anti-hand of electronics shakes (Electronic Image Stabilization；
The advanced image compensation function such as EIS).
" the 12nd embodiment "
Figure 13 A and Figure 13 B is please referred to, wherein Figure 13 A system is painted a kind of electronics dress according to twelveth embodiment of the invention
20 stereoscopic schematic diagram is set, Figure 13 B is painted the schematic diagram of the electronic device 20 of Figure 13 A.In the present embodiment, electronic device 20 is
One smartphone.Electronic device 20 includes image-taking device 10, flash modules 21, the focusing supplementary module of the 11st embodiment
22, image processor 23 (Image Signal Processor), user interface 24 and image software processor 25 (are asked
3B referring to Fig.1).
When user shoots object 30 (please referring to Figure 13 B) through user interface 24, electronic device 20 is utilized and is taken
As 10 optically focused capture of device, starting flash modules 21 carry out light filling, and the object 30 provided using focusing supplementary module 22
Object distance information carries out rapid focus, along with image processor 23 carries out image optimization processing, further to promote imaging
The quality of image caused by optical lens.Wherein infrared ray can be used in focusing supplementary module 22 or laser focusing auxiliary system is come
Reach rapid focus, Touch Screen or entity shooting button can be used in user interface 24, cooperates the more of image software processor 25
Sample function carries out filming image and image procossing.
Image-taking device 10 of the invention applied to smartphone not to be limited.The more visual demand application of image-taking device 10
In the system of mobile focusing, and have both the characteristic of excellent lens error correction Yu good image quality.For example, image-taking device 10 can
Various aspects are applied to device for vehicular electronic, unmanned plane, intelligent electronic product, tablet computer, wearable device, Medical treatment device
Material, precision instrument, monitoring video camera, carry-on image register, identification system, more lens assemblies, body-sensing detecting, virtual reality,
In the electronic devices such as telecontrol equipment and home intelligent auxiliary system.
Before to take off electronic device only be exemplarily to illustrate practice example of the invention, not limit capture of the invention
The operation strategies of device.Preferably, electronic device can further include, control unit, display unit, storage element, temporarily storage is single
First (RAM) or combinations thereof.
Above tables show the invention discloses embodiment in, the different numerical value change tables of optical lenses for image formation, so
The numerical value change of each embodiment of the present invention is all true to test gained, even if mutually isostructural product should belong to using different numerical value
In the invention discloses protection category, therefore above explanation is described and schema is only as illustrative, non-to limit this hair
The claim of bright exposure.
Claims (32)
- Include six-element lens 1. a kind of optical lenses for image formation, which is characterized in that the six-element lens by object side to image side according to Sequence are as follows:One first lens, have positive refracting power；One second lens, image side surface are concave surface at dipped beam axis；One the third lens, object side are convex surface at dipped beam axis；One the 4th lens；One the 5th lens；AndOne the 6th lens, have negative refracting power；Wherein at least one side in off-axis place has at least one to face in the 6th lens object side and the 6th lens image side surface Boundary's point, second lens on optical axis with a thickness of CT2, in the optical axis between first lens and second lens On distance be T12, the focal length of the optical lenses for image formation is f, and the 4th lens object flank radius is R7, described 4th lens image side curvature radius is R8, and the 5th lens image side curvature radius is R10, meets following relationship:0<CT2/T12<1.75；0≦f/|R7|+f/|R8|<1.32；0≦f/R10。
- 2. optical lenses for image formation as described in claim 1, which is characterized in that the focal length of the optical lenses for image formation is F, the 4th lens object flank radius are R7, and the 4th lens image side curvature radius is R8, meet following relationship Formula:0≦f/|R7|+f/|R8|≦1.00。
- 3. optical lenses for image formation as claimed in claim 2, which is characterized in that the 6th lens object side is in dipped beam axis Place is convex surface, and the 6th lens image side surface is concave surface at dipped beam axis.
- 4. optical lenses for image formation as claimed in claim 2, which is characterized in that the focal length of the optical lenses for image formation is F, the 4th lens object flank radius are R7, and the 4th lens image side curvature radius is R8, meet following relationship Formula:0≦f/|R7|+f/|R8|<0.90。
- 5. optical lenses for image formation as described in claim 1, which is characterized in that the focal length of first lens is f1, institute The focal length for stating the 6th lens is f6, meets following relationship:|f1/f6|<1.10。
- 6. optical lenses for image formation as described in claim 1, which is characterized in that in the refractive index of the six-element lens most Big refractive index is Nmax, meets following relationship:1.650≦Nmax<1.750。
- 7. optical lenses for image formation as described in claim 1, which is characterized in that the Abbe number of the third lens is V3, The Abbe number of 4th lens is V4, meets following relationship:58.0<V3+V4<103.0；|V3-V4|<24.0。
- 8. optical lenses for image formation as described in claim 1, which is characterized in that first lens and second lens Between in the distance on the optical axis be T12, second lens are between the third lens at a distance from the optical axis For T23, the third lens are T34, the 4th lens and institute at a distance from the optical axis between the 4th lens State between the 5th lens in the distance on the optical axis be T45, in the light between the 5th lens and the 6th lens Distance on axis is T56, meets following relationship:T12/T56<1.0；T23/T56<1.0；T34/T56<1.0；T45/T56<1.0。
- 9. optical lenses for image formation as described in claim 1, which is characterized in that first lens and second lens Between in the distance on the optical axis be T12, the third lens are between the 4th lens at a distance from the optical axis For T34, meet following relationship:1.21<T34/T12<5.70。
- 10. optical lenses for image formation as described in claim 1, which is characterized in that wantonly two is adjacent in the six-element lens Mirror is ATmax in the maximum value of the distance on the optical axis, and wantonly two adjacent lens are on the optical axis in the six-element lens The minimum value of distance is ATmin, meets following relationship:1.0<ATmax/ATmin<5.0。
- 11. optical lenses for image formation as described in claim 1, which is characterized in that the focal length of the optical lenses for image formation For f, the third lens object flank radius is R5, and the third lens image side curvature radius is R6, meets following pass It is formula:1.05<f/|R5|+f/|R6|<6.00。
- 12. optical lenses for image formation as described in claim 1, which is characterized in that the focal length of the optical lenses for image formation For f, the synthesis focal length of the third lens and the 4th lens is f34, the conjunction of the 4th lens and the 5th lens Coking meets following relationship away from for f45:0<f34/f<10.0；0<f45/f<6.60。
- 13. optical lenses for image formation as described in claim 1, which is characterized in that the first lens object side and imaging It in the distance on the optical axis is TL between face, the entrance pupil aperture of the optical lenses for image formation is EPD, the imagery optical The maximum image height of camera lens is ImgH, meets following relationship:0.8<TL/EPD<2.4；0.8<TL/ImgH<1.5。
- 14. optical lenses for image formation as described in claim 1, which is characterized in that in the six-element lens at least five thoroughly The object side of mirror and image side curvature radius value are all positive value.
- 15. optical lenses for image formation as described in claim 1, which is characterized in that the third lens image side surface is in dipped beam It is concave surface at axis.
- 16. optical lenses for image formation as described in claim 1, which is characterized in that the 5th lens have positive refracting power, institute The focal length for stating optical lenses for image formation is f, and it is to meet following relationship that the focal length of the 5th lens, which is f5:1.6<f5/f<10。
- 17. a kind of image-taking device, which is characterized in that the image-taking device includes that imaging as described in claim 1 is used up Learn camera lens；And an electronics photosensory assembly, it is set on an imaging surface of the optical lenses for image formation.
- 18. a kind of electronic device, which is characterized in that the electronic device includes capture dress as claimed in claim 17 It sets.
- 19. a kind of optical lenses for image formation includes six-element lens, which is characterized in that the six-element lens is by object side to image side Sequentially are as follows:One first lens, have positive refracting power；One second lens, have negative refracting power；One the third lens, object side are convex surface at dipped beam axis；One the 4th lens；One the 5th lens, have positive refracting power；AndOne the 6th lens；Wherein the 5th lens object side, the 5th lens image side surface, the 6th lens object side and it is described 6th thoroughly At least one side has an at least critical point in off-axis place in mirror image side, second lens on optical axis with a thickness of CT2, institute It is T12 at a distance from the optical axis that the first lens, which are stated, between second lens, the focal length of the optical lenses for image formation For f, the 4th lens object flank radius is R7, and the 4th lens image side curvature radius is R8, and the described 5th thoroughly Mirror object flank radius is R9, and the focal length of first lens is f1, and the focal length of the 6th lens is f6, meets following pass It is formula:0<CT2/T12<4.25；0≦f/|R7|+f/|R8|<1.32；0≦f/R9；0.30<|f1/f6|<0.90。
- 20. optical lenses for image formation as claimed in claim 19, which is characterized in that second lens are on the optical axis With a thickness of CT2, first lens between second lens at a distance from the optical axis be T12, meet following pass It is formula:0<CT2/T12<2.15。
- 21. optical lenses for image formation as claimed in claim 19, which is characterized in that the focal length of the optical lenses for image formation For f, the 4th lens object flank radius is R7, and the 4th lens image side curvature radius is R8, meets following pass It is formula:0≦f/|R7|+f/|R8|≦1.00。
- 22. optical lenses for image formation as claimed in claim 19, which is characterized in that the second lens object side is in dipped beam It is convex surface at axis.
- 23. optical lenses for image formation as claimed in claim 19, which is characterized in that the third lens have positive refracting power.
- 24. optical lenses for image formation as claimed in claim 19, which is characterized in that the third lens image side surface is in dipped beam It is concave surface at axis.
- 25. optical lenses for image formation as claimed in claim 19, which is characterized in that there is continuous three pieces in the six-element lens The Abbe number of lens is less than 48.
- 26. a kind of optical lenses for image formation includes six-element lens, which is characterized in that the six-element lens is by object side to image side Sequentially are as follows:One first lens, have positive refracting power；One second lens, object side are convex surface at dipped beam axis；One the third lens, object side are convex surface at dipped beam axis；One the 4th lens；One the 5th lens；AndOne the 6th lens；Wherein second lens on optical axis with a thickness of CT2, in described between first lens and second lens Distance on optical axis is T12, and the focal length of the optical lenses for image formation is f, and the 4th lens object flank radius is R7, The 4th lens image side curvature radius is R8, and the 5th lens image side curvature radius is R10, first lens Focal length is f1, and the focal length of the 6th lens is f6, meets following relationship:0<CT2/T12<2.15；0≦f/|R7|+f/|R8|≦1.00；0≦f/R10；0.30<|f1/f6|<0.90。
- 27. optical lenses for image formation as claimed in claim 26, which is characterized in that second lens are on the optical axis With a thickness of CT2, first lens between second lens at a distance from the optical axis be T12, meet following pass It is formula:0<CT2/T12<1.75。
- 28. optical lenses for image formation as claimed in claim 26, which is characterized in that the focal length of the optical lenses for image formation For f, the 4th lens object flank radius is R7, and the 4th lens image side curvature radius is R8, be meet it is following Relational expression:0≦f/|R7|+f/|R8|<0.90。
- 29. optical lenses for image formation as claimed in claim 26, which is characterized in that there is continuous three pieces in the six-element lens The Abbe number of lens is less than 48.
- 30. optical lenses for image formation as claimed in claim 26, which is characterized in that in the six-element lens at least five thoroughly The object side of mirror and image side curvature radius value are all positive value.
- 31. optical lenses for image formation as claimed in claim 26, which is characterized in that the second lens image side surface is in dipped beam It is concave surface at axis.
- 32. optical lenses for image formation as claimed in claim 26, which is characterized in that the third lens image side surface is in dipped beam It is concave surface at axis.
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| TW106135318 | 2017-10-16 | ||
| TW106135318A TWI625567B (en) | 2017-10-16 | 2017-10-16 | Imaging optical lens, imaging apparatus and electronic device |
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| CN109669258A true CN109669258A (en) | 2019-04-23 |
| CN109669258B CN109669258B (en) | 2020-06-12 |
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| CN201711105600.4A Active CN109669258B (en) | 2017-10-16 | 2017-11-10 | Imaging optical lens, image capturing device and electronic device |
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| US (1) | US10330894B2 (en) |
| CN (1) | CN109669258B (en) |
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| CN111338060B (en) * | 2020-05-21 | 2020-08-18 | 江西联益光学有限公司 | Optical lens and imaging apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| US10330894B2 (en) | 2019-06-25 |
| TWI625567B (en) | 2018-06-01 |
| TW201917435A (en) | 2019-05-01 |
| CN109669258B (en) | 2020-06-12 |
| US20190113714A1 (en) | 2019-04-18 |
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